html {
  font-size: 20px;
}
* {
  margin: 0;
  padding: 0;
  text-decoration: none;
  list-style: none;
}
.header {
  width: 18.75rem;
  height: 3.3rem;
  border-bottom: 1px solid #e9e9e9;
}
.header span {
  font-size: 1.375rem;
  text-align: center;
  line-height: 3.3rem;
  font-weight: bold;
}
.back {
  margin: 0.5rem;
  color: black;
}
.headerList {
  color: red;
  margin-left: 2.5rem;
}
.seckillShop {
  width: 18.75rem;
  height: 7.225rem;
  margin-top: 0.5rem;
  display: flex;
  justify-content: space-around;
}
.seckillShop img {
  width: 7.075rem;
  height: 7.125rem;
}
.seckillShop > div {
  flex: none;
}
.seckillLeft {
  width: 7.075rem;
  height: 7.125rem;
  background: #ffffff;
}
.seckillRight {
  width: 10.825rem;
  height: 6.4rem;
  margin-top: 0.125rem;
  margin-left: 0.5rem;
}
.seckillRight p {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.seckillRight span {
  font-size: 1rem;
}
.price {
  color: red;
  font-weight: bold;
  margin-left: 0.5rem;
}
.btn {
  width: 7.5rem;
  height: 2rem;
  border: 1px solid #ff776f;
  color: #fbfbfb;
  background: #ff776f;
  font-size: 1.5rem;
  text-align: center;
  margin-top: 1.25rem;
  margin-left: 2rem;
}
